i know the final anwser i need to know how to do it. its not for homework or a test i just want to know how to do it
indeed haha! actually, this problem came from http://www.mathhelpforum.com/math-he...plication.html
and look at my long solution, i thought many things at the same time!
it was probably a mistake that i stumbled on it
i just wanted to get rid of the square root. so i made what's underneath it . then i realized that i would need a that wasn't there, so i put it there. wonder how it came to me